Reverser for timepiece

Technical Field

The present invention relates to a clock, in particular for automatic winding watch of the commutator.

Background Art

Announce the 1954 years of French Patent No. 1,079,576 clock mechanism for the automatic spring device. In the device, according to the output wheel spring wheel (roued ' entrée) the direction of rotation of the drive output wheel, in order to the following one kind or another way:

-Or with the aid of its on-one gear (pignon), and the gear acting as the output and the other meshed with a gear of one satellite gear (satellite),

-Or through and similarly carries a gear meshed with the other one, the gear-forming with the output of the other meshed with a gear of the another satellite gear.

Announce the 1956 years of German Patent No. 952,879 described for automatic winding watch (accouplement) of the free wheel clutch. This clutch includes a winding wheel drive in the opposite direction of the two input wheel. Each of these input wheel are integrated with a gear, is mounted on the lower wheel of a satellite gear of the pawl can be formed around the gear moves. The two lower wheel are engaged with each other and wherein one of the integration of an output wheel. In this way, according to the direction of rotation of the upper spring wheel, said output wheel is driving:

-Or through the 1st input wheel, 1st gear, and the satellite gears 1st 1st 1st satellite gears the lower carrying member, the lower wheel 1st and 2nd integration of the output wheel to engage the next round;

-Or through the 2nd input wheel, 2nd gear, 2nd 2nd the lower and the satellite gear, 2nd the 2nd lower wheel mounting carrying the satellite gears with the output wheel and integrated.

In other words, in this German Patent, each of the satellite gear are mounted in a lower wheel, wherein the lower wheel serve as the satellite gear carrying member, the lower wheel are engaged with each other, always rotate in the opposite direction, and only one lower wheel-the spring on the spring box with the rotating-direction of the output wheel of the integration.

Content of the invention

The above-mentioned mechanism is particularly has the great shortcoming of the occupied space, and though it has been released from it the past 60 years, but have not yet been satisfactory solution to this space problem.

Now, the applicant is the inventor of the successful development of the commutator mechanism is obviously more small.

This mechanism a special feature, with the above-mentioned German Patent DE   952   879 compared with of the clutch, is the its two satellite gear and only include a satellite gear carrying member.

More specifically, according to the invention, the commutator comprises:

-A receiving ring gear and the 1st 1st 1st drive gear ring integral of input mobile part;

-A receiving ring gear and 2nd 2nd 2nd transmission gear ring integral of input mobile part;

-At least one collaboration with the 1st drive gear in order to be able to rotate in a single direction of the satellite gears 1st;

-At least one collaboration with the 2nd transmission gear in order to be able to rotate in a single direction the 2nd satellite gears, said satellite gear with respect to the 1st satellite gear can rotate freely;

-A carrying 2nd satellite gear of the satellite gear carrying member;

-A with the satellite gear mounting piece integrated output mobile part;

1st and is characterized in that the satellite gear is also by the single satellite gear carrying member carrying.

According to the invention, the commutator also has most of its components allow the advantages of coaxially arranged.

According to the invention the commutator favorable characteristics of the various points such as the following:

It is worth noting that, said commutator and 1st 2nd input mobile part is coaxial.

Similarly, the 1st and 2nd transmission of the commutator ring gear can be the inner ring gear. In this case, the 1st and 2nd satellite gear preferably may also be coaxial.

According to the present invention another embodiment, the satellite gear carrying member of the commutator with the output mobile part is coaxial.

It is worth noting that, the commutator with the mounting of the satellite gears 1st input mobile part and/or 2nd input mobile part is coaxial.

According to the present invention another embodiment, the commutator can be satellite gear 1st and 2nd with discrete of the pivotable axis.

It is worth noting that, the 1st and 2nd is arranged to the satellite gears to their respective 2nd transmission ring gear cooperate in order to rotate in the opposite direction.

Also noteworthy is, the 1st and 2nd input mobile part, wherein the satellite gear carrying member and the output mobile part are coaxial.

According to the present invention another embodiment, the satellite gear carrying member carrying a plurality of pairs of satellite gear 1st and 2nd.

The invention also relates to a commutator as defined above of the spring of a watch, the watch can also include a plurality of input can be driven to the opposite direction of rotation.

Description of drawings

The invention other features and advantages in the following in order to refer to the attached diagram is given in the form of a statement described in detail, the Figure diagrammatically expressed:

Figure 1: the purposes of the invention are named as "commutator" of a schematic diagram of the working principle of the mechanism;

Figure 2: according to the 1st embodiment of this invention a perspective cross section of a commutator of a top view;

Figure 3: Figure 2 of a side view cross-sectional view of the commutator;

Figure 4: Figure 2 detail section view of the Figure;

Figure 5 and 6: according to fig. 2 to 4 of the commutator of the graphic work;

Figure 7 : 2nd according to the invention of the embodiments of a side view cross-sectional view of the commutator;

Figure 8: Figure 7 version of a commutator of a side view cross-sectional view of the programme;

Figure 9 to 11 : 1st according to the present invention is the modification of the embodiment of a top view of the commutator of the programme, side-view cross-sectional diagram, a side view and perspective cross-sectional view;

Figure 12 and 13: according to the 1st embodiment of this invention the part of the commutator of a representation of the direction of rotation of the;

Figure 14 and 15: has shown the locking or not locking satellite gear-input wheel driving a schematic diagram; and

Figure 16 to 21: the satellite gear attached to the satellite gear embarkation a variety of different method.

Mode of execution

In the document in the present application, the "commutator" means allows the mobile part is in two directions are transformed into a rotary motion in a single and is not variable in the direction of the movement of rotation of the mechanism.

The working principle of such a mechanism as shown in Figure 1.

Figure 2 and 3 is shown of the present invention according to the 1st embodiment of the commutator. As can be seen, the commutator includes a shaft 1, the shaft 1 comprises a lower the lower end of the 2, in order to form one can in the known manner (usually the curvature of the not shown) is connected to be to be the spring box spring of the output of the clock of the mobile part.

To the shaft 1, the upper part of in the lower end of the, satellite gear carrying member 3 is driven from the top, wherein the satellite gear carrying member 3 presents the overall shape of the hollow cylinder, the hollow cylinder is provided with a formed part of the disc so that the disc is perpendicular to the plane of the longitudinal axis of the hollow cylinder. Bear against the cylindrical bottom of the shaft 1 the lower of the 2. A disc portion is tenon 4 through the longitudinal direction, the satellite gears 1st 5 in the tenon 4 is at the upper part of the drive. Tenon 4 relative to the satellite gear carrying member 3 and the formation of the part of the disc with the hollow of the cylinder can be freely an axis parallel to the axis of rotation.

In the satellite gear carrying member 3 of the top of the hollow column, 1st input wheel 6 is freely rotatably mounted and through the cam ring 7 held in place axially, the 1st input wheel of the lower surface includes a 1st inner gear ring 8, which may be in a known way (welding, soldering and the like) of the ring of attachment of the ring gear. Said internal ring gear 8 is set to the satellite gears with the 1st 5 collaboration.

In the satellite gear carrying member 3 of the bottom of the hollow column, 2nd input wheel 12 is freely rotatably mounted and through another locking ring 9 held in place axially, the 2nd input wheel on the upper surface of the ring gear includes a 2nd 10, which may be in a known way (welding, soldering and the like) of the ring of attachment of the ring gear.

2nd satellite gear 11 is regarding tenon 4 can be freely rotatably disposed, the satellite gear is 2nd the 2nd input wheel 12 (from below) and satellite gear carrying member 3 is formed of part of the disc between (from above). The 2nd satellite gear 11 is set to the ring gear with the 2nd 10 collaboration.

The satellite gears 5 and 11 are respectively connected with the ring gear 8 and 10 in the collaboration between the Figure 4 can be seen in. The satellite gears 5 and 11 form a pawl, in other words, the satellite gears 5 and 11 with teeth, an asymmetric shape of the tooth is set to allow the satellite gears rotate in one direction only. This is familiar to technical personnel in the field, and particularly in the aforesaid French Patent the Figure 3 and 4 show in (part numbers 4, 5). The programme as a modification, can be arranged so that the annulus gear 8 and 10 the pawl teeth are formed of, for example, the aforesaid German Patent plan 1 of the wheel in the 30 and 40 of the tooth.

Can also be provided with the annulus gear and the satellite gears with the tooth the specific shape with each other in order to allow in one direction and rotation of the upstop in another direction, for example, Swiss Patent No. 321,237 of the taught.

Therefore, the ring gear 8 of the given direction of rotation, and driving the satellite gears meshed with the 5 of rotation is possible, however in another direction said satellite gear lock.

Similarly, the ring gear 10 of the given direction of rotation, thus driving the satellite gears meshing and 11 of rotation is possible, however in another direction said satellite gear lock.

The one-way satellite gear 5 and 11 are arranged in reverse manner and they are not the same, in order to an input wheel can only rotate in one direction and another can only rotate in the opposite direction. More particularly, two satellite gear 5 and 11 is the reverse of the shape of the teeth, in order to guarantee the rotation of the one direction and in the other direction the locking.

Work

In the Figure 5 and 6 in the illustration of the commutator according to the present invention work.

According to the present invention is arranged upstream of a commutator of a force input wheel 6 and 12 of the gear train to rotate in opposite direction (rouage).

In Figure 5 the, shaft 1 is set to only the direction of the pointer in the case of a watch that generally rotate in a clockwise direction. The 1st input wheel 6 is driven in a counterclockwise direction, it must not on-axis 1 effect. To achieve this, when the input wheel is rotated, its driving 1st of the inner drive ring gear 8, the 1st 1st of the satellite gears with the gear ring 5 fit. 1st satellite gear 5 are properly arranged so that the inner gear ring 8 and therefore the rotation of the toothed wheel 6 to allow of rotation of the satellite gear and said internal ring gear 8 engaged. Therefore, the ring gear 8 will be caused by the rotation of the satellite gear 5 and tenon 4 regarding tenon of 4 the rotation of the to the longitudinal axis. Such rotation is independent of the satellite gear carrying member 3 and the satellite gear carrying member 3 does not produce any effect. Known as the satellite gear 5 "idle".

At the same time, the 2nd input wheel 12 in with the input wheel 6 is in the direction opposite to direction, that is, in the shaft 1 can be rotated on the direction of rotation. Satellite gear 11 is so arranged or oriented in order to make it not with and input wheel 12 integrated 2nd of the inner drive ring gear 10 meshing, and so it can not be around the self-rotation and locking. Therefore, the satellite gear 11 the ring gear by the 2nd 10 around the shaft 1 to drive the longitudinal axis of rotation, rather than regarding tenon 4 of the longitudinal axis. In this rotational motion, satellite gear 11 then actuates the tenon 4 to rotate, therefore driving satellite gear carrying member 3 together with satellite gear carrying member 3 integrated shaft 1 a rotation of the assembly. Therefore, input wheel 12, the 2nd ring gear 10, satellite gear 11, the tenon 4, satellite gear carrying member 3 and the shaft 1 just as if they are shown as single part.

Figure 6 the reverse of the showing. This, is the input shaft 6 in the shaft 1 to rotate in the direction of rotation. Satellite gear 5 can not be and 1st of the inner drive ring gear 8 engaged. Therefore, generating prevent satellite gear 5 rotate around one's own the lock. Therefore, input wheel 6 caused by the rotation of the satellite gear 5, the tenon 4, satellite gear carrying member 3 and the shaft 1 around the shaft 1 to rotate to the longitudinal axis. In this case, input wheel 6, the 1st ring gear 8, the satellite gear 5, the tenon 4, satellite gear carrying member 3 and the shaft 1 just as if they are shown as single part.

In this way, regardless of input wheel 6 and 12 to the direction of rotation of the, shaft 1 is always in the same direction as the drive is turned on.

Figure 9 to 11 show the commutator according to the present invention a retrofit programme, wherein said input wheel 6 and 12 with the shaft 1 the integrated sleeve 19 and 20 is attached, said satellite gear-in the 6-relative to the satellite gear carrying pieces of free rotation, and on one side by the satellite gear carrying part is axially confined on the other side is one of the input wheel 6 or 12 axially confined.

Figure 7 and 8 show the 2nd embodiment of the present invention, the difference with respect to the 1st embodiment are as follows:

-1st and 2nd drive ring gear is no longer is the annulus gear and the external gear ring 13 and 14, for example, is set in the 1st and 2nd input wheel 6 and 12 the integrated gear; and

-The 1st and 2nd satellite gear 5 ', 11' is no longer coaxial: on them in the angle of deviation, preferably in the satellite gear carrying member 3 on the part of the disc of the 180° opposite.

Apart from these differences, the commutator to the 1st embodiment of the present invention work in the same manner, are of assembling mechanism need to ensure that only the non-satellite gear is suitably oriented to calls the tooth.

In Figure 7 in, can see that satellite gear 5 'and 11' is formed by a single part, the single member has a part of the forms the tenon , the the tenon puts on of the satellite gear mounting member forming part of the disc. The bottom of the tenon (satellite gear 5 ') or top (satellite gear 11') are respectively provided with a washer (rondelle) to the satellite gear 5 'or 11' in each satellite gear carrying member 3 is.

In Figure 8 in, can see that satellite gear 5 "and 11" around the pile 15 and 16 pivotally mounted, pile 15 and 16 in the satellite gear is in the carrying member 3 in the formation of the part of the disc is in the hole.

In Figure 14 and 15 in, can see that when the external gear ring 13, 14 in the 1st direction S1 is turned on, generating satellite gear 11 ', 11 "lock-up, however, when the external gear ring 13, 14 in direction 2nd S2 when rotating on, they drive the satellite gear 11' , 11" to rotate.

Generally and regardless of embodiment, as shown in Figure 5 and 6 can be seen in, said satellite gear carrying member carrying a plurality of 1st 2nd satellite gear and a plurality of satellite gear, and preferably when the balance of the reasons for, and the satellite gears 1st 2nd as the number of the satellite gears. In this, it should be noted that usually increase the number of satellite gears in reverse direction to shorten the period of the free stroke is useful (jeu). Therefore, the number of teeth relative to the number of adjustment of the satellite gears can be shortened according to the need (or increase) the reverse direction when the ineffective stroke (  perdu chemin) (that is, free stroke).

Upstream of the commutator

As noted earlier, a design which is used to drive input wheel 6 and 12 in the opposite direction of rotation.

To achieve this, technical personnel in the field of any appropriate mechanism can be envisaged, in particular in Figure 12 and 13 shown in the gear train.

By the automatic spring block (not shown) rotationally driving the upper spring gear 17 and the 1st input wheel 6 meshing. At the same time, the gear 17 and the reverse gear (pignon   renvoi   de) 18 engaged, reverse gear 18 and the 2nd input wheel 12 engaged. Shaft 1 of the ring gear and therefore always rotate in the same direction of the output wheel 21 engaged.

Other modified scheme

Figure 16 to 21 show the attachment of the satellite gear carrying member to the satellite gears of the various modified programme, the satellite with axial gear displacement limiting (Figure 19 to 21) or has no such restrictions (Figure 16 to 18 ; in this case, the axial displacement in both sides by satellite gear carrying member and the input wheel to limit).